For those of us who are as intrigued with the gear as the game itself, Mary Katrantzou debuts her second set of tennis-inspired athletic wear for sportswear giant Adidas this week. The capsule collection draws from an 80’s influence and consists of 24 pieces, including structured tees, track suits and tennis skirts, as well as footwear and swimwear. $60-$380 at Adidas stores nationwide, adidas.com and marykatrantzou.com.